CREATE OR REPLACE FUNCTION public.fn_admin_delete_course_email_template(p_course_id integer, p_template_key text, p_language text)
 RETURNS void
 LANGUAGE sql
AS $function$
  DELETE FROM public.course_email_templates
  WHERE course_id   = p_course_id
    AND template_key = p_template_key
    AND language     = p_language;
$function$
;